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Molodets [167]
3 years ago
8

How leaf stomata can be used as bioindicators of environmental change?​

Biology
1 answer:
kirza4 [7]3 years ago
5 0

Answer: Stomata densities change in response to changing atmospheric levels of carbon dioxide. Stomata may also vary in response to the amount of annual rainfall in different localities.

Explanation:

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Describe two forms of mechanical weathering.
GalinKa [24]
1.Frost Wedging (Freeze-Thaw)

Water expands by 9 percent when it freezes. As it expands, it exerts up to 4.3 million pounds per square foot of pressure. Since water seeks low points, repeated freezing and thawing can lead to deep vertical fissures as cracks are extended downward. Cracks that allow entry of roots lead to similar wedging.


2.Crystal Formation

Crystal formation cracks rock in a similar way. Most water contains dissolved salts. When water in rock fissures evaporate, the salt concentration increases, which leads to crystallization. This occurs in arid regions where the humidity fluctuates widely, so that the salt can be redissolved and carried into new fissures.

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3 years ago
Please help asap!!! Will give 30 points and brainlist
grigory [225]

Answer:

Apple tree and grass are producers, mushroom and bacteria are decomposers, and everything else are consumers. The bear is herbivore I believe, the rabbit is as well to my understanding. The pig is omnivore and lion is carnivore.

Explanation:

Starting with producers, most plants are producers. They photosynthesize to make their own food (glucose). Decomposers break things down like dead animals. Carnivores eat only meat, which is what a lion does. It eats no plants. The pig is an omnivore, meaning that it eats both meat AND plants. Lastly, the bear and rabbit are herbivores meaning that they only eat plants. I always remember it as "HERBivore which sounds like HERBS which are plants" Hope this helps!

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3 years ago
WIILL BE MARKED BRAINLIEST!!!
Phantasy [73]

Answer: Lungs

Explanation:

Examples of endocrine organs include the pancreas, which produces the hormones insulin and glucagon to regulate blood-glucose levels, the adrenal glands, which produce hormones such as epinephrine and norepinephrine that regulate responses to stress, and the thyroid gland, which produces thyroid hormones that regulate to the Lungs.

7 0
3 years ago
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Will a bigger person need more energy, less energy, or the same amount of energy as a smaller person?
Valentin [98]

Answer:

More energy

Explanation:

More energy is needed to carry out the metabolic rate of a person ( the minimum amount of energy required to carry out all of the reactions needed to keep a person alive).

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Sunlight is a form of energy called
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Nuclear energy
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